TY  - JOUR
AU  - B. S. Kalitin
TI  - On a problem of Florio and Seibert
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 727
EP  - 729
VL  - 25
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_4_a21/
LA  - ru
ID  - DE_1989_25_4_a21
ER  -